Hi @marianmp,The maximum depth setting that the SW allows me is 11.4 mm , but this is actually the entire travel of the pressure foot (looking at the reading of the gauge). I definitely believe that machining depth of any kind up to 11 mm is not a problem. In your particular case the aspect ratio is quite impressive 9.5/0.68 and definitely will require the use of peck mode. In my model it is completely automated, but still adds up to the machining time.On the other hand it is impossible to do this ratio with standard single pass drilling. You definitely will break the tool on the first hole.You better contact accuratecnc for more details.I notice that they have bunch of new models... and mine is already an old one